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Diese Dissertation befasst sich mit der Erzeugung verschiedener Niobnitridphasen. Einige dieser Phasen sind aufgrund von höheren Sprungtemperaturen und kritischen Magnetfeldern als bei reinem Niob für die Anwendung für supraleitende Beschleunigung
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Autor:
Dutine, Manuel, Arnold, Michaela, Grewe, Ruben, Jürgensen, Lars, Pietralla, Norbert, Schließmann, Felix, Steinhorst, Manuel
The S-DALINAC is a thrice-recirculating electron accelerator operating in cw-mode at a frequency of 3 GHz. Due to the implementation of a path-length adjustment system capable of a 360° phase shift, it is possible to operate the accelerator as an En
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de6cedf478d2247e09c4ba97976a677b
Autor:
Weih, Simon, Arnold, Michaela, Dutine, Manuel, Enders, Joachim, Grewe, Ruben, Jürgensen, Lars, Pietralla, Norbert, Schließmann, Felix, Steinhorst, Manuel
The superconducting part of the injector section of the superconducting Darmstadt electron linear accelerator (S-DALINAC) [1] consisted of one five-cell capture cavity and two 20-cell cavities at 3 GHz resonance frequency. All of them were geometrica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e64c5db8a54b652bda14bc3227ce408c
Autor:
Steinhorst, Manuel, Arnold, Michaela, Bahlo, Thore, Grewe, Ruben, Jürgensen, Lars, Pforr, Jonas, Pietralla, Norbert, Schließmann, Felix, Weih, Simon
The recirculating superconducting Darmstadt linear accelerator S-DALINAC [1] is one of the main research instruments at the institute for nuclear physics at the TU Darmstadt. It is operating in cw mode at beam currents of up to 20 uA with energies of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c9926f4c5c2174715db3ca0b927a85fb
Autor:
Dutine, Manuel, Arnold, Michaela, Bahlo, Thore, Grewe, Ruben, Jürgensen, Lars, Pietralla, Norbert, Schließmann, Felix, Steinhorst, Manuel
The S-DALINAC* is a thrice-recirculating linear electron accelerator operating in cw-mode at a frequency of 3 GHz. A path-length adjustment system in the second recirculation beam line allows to shift the beam phase by 360° and thus to operate in ER
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::37b55a861735168417a0ef8d0417e318
Autor:
Grewe, Ruben, Alff, Lambert, Arnold, Michaela, Conrad, Jens, Flege, Stefan, Hug, Florian, Major, Marton, Pietralla, Norbert
Current state-of-the-art superconducting rf (srf) accelerators are mostly using cavities made of high RRR bulk niobium (Nb). The maximum field gradients and quality factors (Q₀) of these cavities are basically reached now. To further increase the s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb097a295ef2147aca9ae09c513c2661
Autor:
Major, Marton, Alff, Lambert, Arnold, Michaela, Conrad, Jens, Flege, Stefan, Grewe, Ruben, Pietralla, Norbert
Niobium is the standard material for superconducting RF (SRF) cavities for particle acceleration. Superconducting materials with higher critical temperature or higher critical magnetic field allow cavities to work at higher operating temperatures or
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::28f5cd552c0bada33b8c17e4f2d4040d
Autor:
Grewe, Ruben, Alff, Lambert, Arnold, Michaela, Conrad, Jens, Flege, Stefan, Hug, Florian, Major, Marton, Pietralla, Norbert
Since 2005 the Institute for Nuclear Physics in Darmstadt operates a high temperature UHV furnace for temperatures of up to 1750°C. It has been used several times for hydrogen bake-out of the SRF cavities of the S-DALINAC with proven success. In 201
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7525a29ef9d0b22d1fe8086031730d3a
Autor:
Grewe, Ruben, Alff, Lambert, Arnold, Michaela, Conrad, Jens, Flege, Stefan, Hug, Florian, Major, Marton, Pietralla, Norbert
As the performance limits of bulk Nb srf cavities are reached, our research is focused on materials with superior srf properties like Nb3Sn and NbN. Research on NbN resulted in the "nitrogen-doping" process used for increasing the quality factors of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::985e419715ecd6da6e249369e504410f